FreeBSD is well-regarded for its robust firewall capabilities, which can be configured to provide optimal security using either IPFW or PF. Here’s how you can configure each for optimal security:
IPFW (IP Firewall)
Enable IPFW
-
Ensure IPFW is enabled in the kernel or as a module.
kldload ipfw -
To load IPFW at startup, add the following line to `/etc/rc.conf`: